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Hostname

crtr06.org.br

Last fetched

crtr06.org.br resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · crtr06.org.brRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint3.2/10canon.whisper.security/host/crtr06.org.br

Resolution chain

crtr06.org.br resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.59.59104.21.48.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.215.194172.67.208.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
—
Organization
conselho regional de tecnicos em radiologia
Contact emails

Subdomains

8 observed subdomains of crtr06.org.br.

Subdomain
autodiscover.crtr06.org.br
cpanel.crtr06.org.br
cpcalendars.crtr06.org.br
cpcontacts.crtr06.org.br
mail.crtr06.org.br
webdisk.crtr06.org.br
webmail.crtr06.org.br
www.crtr06.org.br

Web-graph footprint

Distinct hostnames that link to or from crtr06.org.br in the public web crawl.

15 sites link to this hostname.

191 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for crtr06.org.br.

MechanismTarget
SPF_Acrtr06.org.br
SPF_INCLUDEspf.locaweb.com.br
SPF_IP186.209.113.101
SPF_MXcrtr06.org.br

Related pages

Pivot deeper into the graph from crtr06.org.br.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "crtr06.org.br"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.